aboutsummaryrefslogtreecommitdiff
path: root/src/target/feroceon.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/target/feroceon.c')
-rw-r--r--src/target/feroceon.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/src/target/feroceon.c b/src/target/feroceon.c
index d3037c54..acaa1b3b 100644
--- a/src/target/feroceon.c
+++ b/src/target/feroceon.c
@@ -493,8 +493,11 @@ static int feroceon_bulk_write_memory(struct target *target,
uint32_t dcc_size = sizeof(dcc_code);
+ if (address % 4 != 0)
+ return ERROR_TARGET_UNALIGNED_ACCESS;
+
if (!arm7_9->dcc_downloads)
- return target_write_memory(target, address, 4, count, buffer);
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
/* regrab previously allocated working_area, or allocate a new one */
if (!arm7_9->dcc_working_area) {
@@ -503,15 +506,16 @@ static int feroceon_bulk_write_memory(struct target *target,
/* make sure we have a working area */
if (target_alloc_working_area(target, dcc_size, &arm7_9->dcc_working_area) != ERROR_OK) {
LOG_INFO("no working area available, falling back to memory writes");
- return target_write_memory(target, address, 4, count, buffer);
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
/* copy target instructions to target endianness */
for (i = 0; i < dcc_size/4; i++)
target_buffer_set_u32(target, dcc_code_buf + i*4, dcc_code[i]);
- /* write DCC code to working area */
- retval = target_write_memory(target,
+ /* write DCC code to working area, using the non-optimized
+ * memory write to avoid ending up here again */
+ retval = arm7_9_write_memory_no_opt(target,
arm7_9->dcc_working_area->address, 4, dcc_size/4, dcc_code_buf);
if (retval != ERROR_OK)
return retval;
@@ -627,6 +631,10 @@ static int feroceon_target_create(struct target *target, Jim_Interp *interp)
arm926ejs_init_arch_info(target, arm926ejs, target->tap);
feroceon_common_setup(target);
+ struct arm *arm = target->arch_info;
+ struct arm7_9_common *arm7_9 = arm->arch_info;
+ arm7_9->write_memory = arm926ejs_write_memory;
+
/* the standard ARM926 methods don't always work (don't ask...) */
arm926ejs->read_cp15 = feroceon_read_cp15;
arm926ejs->write_cp15 = feroceon_write_cp15;
@@ -641,6 +649,10 @@ static int dragonite_target_create(struct target *target, Jim_Interp *interp)
arm966e_init_arch_info(target, arm966e, target->tap);
feroceon_common_setup(target);
+ struct arm *arm = target->arch_info;
+ struct arm7_9_common *arm7_9 = arm->arch_info;
+ arm7_9->write_memory = arm7_9_write_memory;
+
return ERROR_OK;
}
@@ -697,7 +709,7 @@ struct target_type feroceon_target = {
.get_gdb_reg_list = arm_get_gdb_reg_list,
.read_memory = arm7_9_read_memory,
- .write_memory = arm926ejs_write_memory_opt,
+ .write_memory = arm7_9_write_memory_opt,
.checksum_memory = arm_checksum_memory,
.blank_check_memory = arm_blank_check_memory,